Healthline. https://www.healthline.com/health/autoimmune-disorders#causes
Diakses pada 09 Agustus 2019Healthline. https://www.healthline.com/health/multiple-sclerosis/early-signs
Diakses pada 09 Agustus 2019Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/multiple-sclerosis/symptoms-causes/syc-20350269
Diakses pada 09 Agustus 2019Medical News Today. https://www.medicalnewstoday.com/articles/310864.php
Diakses pada 09 Agustus 2019WebMD. https://www.webmd.com/multiple-sclerosis/could-i-have-ms#1
Diakses pada 09 Agustus 2019